acrostichoidadj.

Brit.

/əˈkrɒstᵻkɔɪd/, U.S.

/əˈkrɑstəˌkɔɪd/,

/əˈkrɔstəˌkɔɪd/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Acrostichum , -oid suffix.

Etymology: < scientific Latin Acrostichum, genus name ( Linnaeus Species plantarum (1753) II. 1067; < ancient Greek ἄκρο- (see acro- comb. form) + στίχος row, line: see stich n.) + -oid suffix.

Botany.

Originally: †designating a fern in which the sori arise as a continuous mass covering the lower surface of the fertile frond, typified by, but not exclusive to, the genus Acrostichum (family Polypodiaceae); characteristic of such a fern (obsolete). Now: spec. designating or relating to sori with this pattern of distribution.

ΚΠ

1856 Hooker's Jrnl. Bot. 8 361 I am aware that some acrostichoid Ferns (Polybotrya, for example) are considered to have both paginæ of the pinnules clothed with fructifications.

1882 Gardeners' Chron. 17 672 The decurrent base, with light brown spore-cases, forming the usual universal acrostichoid fructification.

1917 Nature 1 Feb. 442/2 The identity of the sorus may be lost by acrostichoid development.

1939 Bull. Misc. Information (Royal Bot. Gardens, Kew) 613 This study is a continuation of earlier work on the climbing acrostichoid ferns of the Malayan region.

2006 Amer. Fern Jrnl. 96 115 Some species have laminar buds, and all have fertile leaves with acrostichoid sori.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	acrostichoid
释义	acrostichoidadj. Brit. /əˈkrɒstᵻkɔɪd/, U.S. /əˈkrɑstəˌkɔɪd/, /əˈkrɔstəˌkɔɪd/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin Acrostichum , -oid suffix. Etymology: < scientific Latin Acrostichum, genus name ( Linnaeus Species plantarum (1753) II. 1067; < ancient Greek ἄκρο- (see acro- comb. form) + στίχος row, line: see stich n.) + -oid suffix. Botany. Originally: †designating a fern in which the sori arise as a continuous mass covering the lower surface of the fertile frond, typified by, but not exclusive to, the genus Acrostichum (family Polypodiaceae); characteristic of such a fern (obsolete). Now: spec. designating or relating to sori with this pattern of distribution. ΚΠ 1856 Hooker's Jrnl. Bot. 8 361 I am aware that some acrostichoid Ferns (Polybotrya, for example) are considered to have both paginæ of the pinnules clothed with fructifications. 1882 Gardeners' Chron. 17 672 The decurrent base, with light brown spore-cases, forming the usual universal acrostichoid fructification. 1917 Nature 1 Feb. 442/2 The identity of the sorus may be lost by acrostichoid development. 1939 Bull. Misc. Information (Royal Bot. Gardens, Kew) 613 This study is a continuation of earlier work on the climbing acrostichoid ferns of the Malayan region. 2006 Amer. Fern Jrnl. 96 115 Some species have laminar buds, and all have fertile leaves with acrostichoid sori. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < adj.1856
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